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  • Title: Quality of artemisinin-based antimalarial drugs marketed in Nigeria.
    Author: Izevbekhai O, Adeagbo B, Olagunju A, Bolaji O.
    Journal: Trans R Soc Trop Med Hyg; 2017 Feb 01; 111(2):90-96. PubMed ID: 28460126.
    Abstract:
    BACKGROUND: Artemisinin combination therapy is first-line therapy for treatment of malaria, which is one of the most significant public health problems in Nigeria. With the increasing level of use of these drugs coupled with the emergence of resistance, there is a need for regular post-market surveillance. METHOD: Twenty different brands of artesunate-containing antimalarial drugs and 10 brands of artemether-lumefantrine were multi-sourced in the south western part of Nigeria and were subjected to identification, weight uniformity test, and assay using United State pharmacopoeia and International Pharmacopoeia monographs. In vitro-dissolution test of the artemether tablets was also investigated. RESULTS: All 10 brands (100%) of the artemether-lumefantrine tablets met the assay requirement for artemether and 8 (80%) met the assay requirement for lumefantrine, but only 4 brands (40%) met the requirement for artemether dissolution. One of these brands failed the weight uniformity test. Of the 20 brands of artesunate-containing brands included in this study, 15 (75%) met the standard assay requirement for artesunate and two failed the weight uniformity test. CONCLUSIONS: There is evidence of the presence of substandard artemisinin products in the Nigerian market.
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